138320214890

Names of 138320214890

• Cardinal: 138320214890 can be written as One hundred thirty-eight billion, three hundred twenty million, two hundred fourteen thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.3832021489 × 10¹¹

Factors of 138320214890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 20661

Divisors of 138320214890

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 11 13 19 22 26 38 55 65 95 110 130 143 169 190 209 247 286 338 361 418 494 715 722 845 1045 1235 1430 1690 1805 1859 2090 2470 2717 3211 3610 3718 3971 4693 5434 6422 7942 9295 9386 13585 16055 18590 19855 20611 23465 27170 32110 35321 39710 41222 46930 51623 61009 70642 103055 103246 122018 176605 206110 226721 258115 267943 305045 353210 391609 453442 516230 535886 610090 671099 783218 1133605 1339715 1342198 1958045 2267210 2679430 2947373 3355495 3483259 3916090 4307699 5090917 5894746 6710990 6966518 7440571 8615398 10181834 14736865 14881142 17416295 21538495 25454585 29473730 34832590 37202855 38315849 43076990 50909170 56000087 66181921 74405710 76631698 81846281 96727423 112000174 132363842 163692562 191579245 193454846 280000435 330909605 383158490 409231405 483637115 560000870 661819210 728001131 818462810 967274230 1064001653 1257456499 1456002262 2128003306 2514912998 3640005655 5320008265 6287282495 7280011310 10640016530 12574564990 13832021489 27664042978 69160107445 138320214890
• Sum of all divisors σ(n): 310420182816
• Sum of proper divisors (its aliquot sum) s(n): 172099967926
• 138320214890 is an abundant number, because the sum of its proper divisors (172099967926) is greater than itself. Its abundance is 33779753036

Bases of 138320214890

• Binary: 10000000110100100001101111101101101010₂
• Hexadecimal: 0x203486FB6A
• Base-36: 1RJKA8VE

Squares and roots of 138320214890

• 138320214890 squared (138320214890²) is 19132481847215777712100
• 138320214890 cubed (138320214890³) is 2646409000485910521336144553169000
• The square root of 138320214890 is 371914.2574438361
• The cube root of 138320214890 is 5171.6431653713

Scales and comparisons

• 138,320,214,890 seconds is equal to 4,398 years, 8 weeks, 9 hours, 54 minutes, 50 seconds.
• To count from 1 to 138,320,214,890 would take you about eight thousand, seven hundred ninety-six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138320214890 cubic inches would be around 431 feet tall.

Recreational maths with 138320214890

• 138320214890 backwards is 098412023831
• The number of decimal digits it has is: 12
• The sum of 138320214890's digits is 41
• More coming soon!